| L21A1 RARDEN | |
|---|---|
 | |
| Type | Autocannon |
| Place of origin | United Kingdom |
| Service history | |
| Used by | British Armed Forces |
| Production history | |
| Designer | Royal Small Arms Factory |
| Designed | 1966 |
| Produced | 1970 |
| Specifications | |
| Mass | 113 kg (249 lb) |
| Length | 3,150 mm (10 ft 4 in) |
| Barrel length | 2,430 mm (96 in) |
| Cartridge | 30x170 mm KCB |
| Caliber | 30 mm |
| Action | Long recoil |
| Rate of fire | 90 rds/min |
| Muzzle velocity | 1,070 m/s (3,500 ft/s) HE or 1,175 m/s for APDS |
| Feed system | Manual 3-round clip |
The L21A1 RARDEN ("Royal Armament, Research and Development Establishment" and "Enfield") is a British 30 mm autocannon used as a combat vehicle weapon.[1] The Royal Armament Research and Development Establishment (RARDE) and the Royal Small Arms Factory (RSAF), were part of the Ministry of Defence, at the time.